John Griffin

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Morton Grove, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Electronic switch for a bi-level fluorescent lamp fixture
- Patent number 6,628,091
- Issue date Sep 30, 2003
- Koninklijke Philips Electronics N.V.
- John Griffin
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Power factor controller utilizing duel-switch configuration
- Publication number 20060170399
- Publication date Aug 3, 2006
- Koninklijke Philips Electronics N.V.
- John Griffin
- G05 - CONTROLLING REGULATING
Information Patent Application
Instant start of series lamp combination
- Publication number 20040051475
- Publication date Mar 18, 2004
- Koninklijke Philips Electronics N.V.
- John M. Griffin
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Electronic switch for a bi-level fluorescent lamp fixture
- Publication number 20020180378
- Publication date Dec 5, 2002
- John Griffin
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR